diff --git a/targets/arduino-nano33.json b/targets/arduino-nano33.json
index a5afacfd..f37fbabb 100644
--- a/targets/arduino-nano33.json
+++ b/targets/arduino-nano33.json
@@ -1,6 +1,6 @@
 {
     "inherits": ["atsamd21g18a"],
-    "build-tags": ["arduino_nano33", "ninafw"],
+    "build-tags": ["arduino_nano33", "ninafw", "ninafw_machine_init"],
     "flash-command": "bossac -i -e -w -v -R -U --port={port} --offset=0x2000 {bin}",
     "serial-port": ["2341:8057", "2341:0057"],
     "flash-1200-bps-reset": "true"
diff --git a/targets/nano-rp2040.json b/targets/nano-rp2040.json
index ed4c8148..85eed28d 100644
--- a/targets/nano-rp2040.json
+++ b/targets/nano-rp2040.json
@@ -3,7 +3,7 @@
         "rp2040"
     ],
     "serial-port": ["2341:005e"],
-    "build-tags": ["nano_rp2040", "ninafw"],
+    "build-tags": ["nano_rp2040", "ninafw", "ninafw_machine_init"],
     "ldflags": [
         "--defsym=__flash_size=16M"
     ],
diff --git a/targets/pyportal.json b/targets/pyportal.json
index ffa6611b..dbd4ed37 100644
--- a/targets/pyportal.json
+++ b/targets/pyportal.json
@@ -1,6 +1,6 @@
 {
     "inherits": ["atsamd51j20a"],
-    "build-tags": ["pyportal", "ninafw"],
+    "build-tags": ["pyportal", "ninafw", "ninafw_machine_init"],
     "serial": "usb",
     "flash-1200-bps-reset": "true",
     "flash-method": "msd",